Facebook login is the easiest way to login for an Instagram account. To login, you will need a Facebook account and follow the given steps properly - .
1. Go to Instagram and tap on the Sign Up button at the top of the page.
2. Tap on Login with Facebook
3. Enter your Facebook username and password, then tap Sign In
After that you will redirect on your Instagram profile.
For more read - https://nazing.co.uk/how-to-login-to-instagram-through-facebook-2022/